/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *  $Id: getservbyname.c,v 1.5 2008/08/27 11:13:59 ralf Exp $
 */

#include "netdb.h"
#include "string.h"

#if LW_CFG_NET_EN > 0

extern int _serv_stayopen;

int getservbyname_r(
  const char *name,
  const char *proto,
  struct servent *result_buf,
  char *buf,
  size_t buflen,
  struct servent **result
)
{
/*
  #warning "implement a proper getservbyport_r"
*/
  *result = getservbyname(name, proto);
  if ( *result )
    return 0;

  return -1;
}


struct servent *
getservbyname(
	const char *name, 
	const char *proto )
{
	register struct servent *p;
	register char **cp;

#ifdef YP
	extern char *___getservbyname_yp;
	extern char *___getservbyproto_yp;

	___getservbyname_yp = (char *)name;
	___getservbyproto_yp = (char *)proto;
#endif

	setservent(_serv_stayopen);
	while ( (p = getservent()) ) {
		if (strcmp(name, p->s_name) == 0)
			goto gotname;
		for (cp = p->s_aliases; *cp; cp++)
			if (strcmp(name, *cp) == 0)
				goto gotname;
		continue;
gotname:
		if (proto == 0 || strcmp(p->s_proto, proto) == 0)
			break;
	}
	if (!_serv_stayopen)
		endservent();

#ifdef YP
	___getservbyname_yp = NULL;
	___getservbyproto_yp = NULL;
#endif

	return (p);
}

#endif /*  LW_CFG_NET_EN > 0  */

